package com.atguigu.gulimall.ware.config;

import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyRabbitmqConfig {
    @Bean
    public MessageConverter messageConverter(){
        return new Jackson2JsonMessageConverter();
    }


    @Bean
    public Exchange stockEventExchange(){
        return new TopicExchange("stock-event-exchange",true,false);
    }
    @Bean
    public Queue stockReleaseStockQueue(){
        return new Queue("stock.release.stock.queue",true,false,false);
    }
    @Bean
    public Queue stockDelayQueue(){
        Map<String,Object> arguments =new HashMap<>();
        arguments.put("x-dead-letter-exchange","stock-event-exchange");  //信死了给这交换机
        arguments.put("x-dead-letter-routing-key","stock.release");//信死了的路由键
        arguments.put("x-message-ttl",120000);

        return new Queue("stock.delay.queue",
                true,
                false,false,arguments);
    }

    @Bean
    public Binding stockReleaseBinding(){
        return new Binding("stock.release.stock.queue",  // 绑定的队列
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.release.#",null);
    }
    @Bean
    public Binding stockLockedBinding(){
        return new Binding("stock.delay.queue",   // 绑定的队列
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.locked.#",null);
    }

}
